VGF2P8AFFINEQB $82, X19, X0, K1, X15               // 6233fd09cefb52
	VGF2P8AFFINEQB $82, 17(SP)(BP*2), X0, K1, X15      // 6273fd09cebc6c1100000052
	VGF2P8AFFINEQB $82, -7(DI)(R8*4), X0, K1, X15      // 6233fd09cebc87f9ffffff52
	VGF2P8AFFINEQB $82, X22, X28, K1, X15              // 62339d01cefe52
	VGF2P8AFFINEQB $82, X7, X28, K1, X15               // 62739d01ceff52

	VEXP2PS Z20, K1, Z1                                // 62b27d49c8cc
	VEXP2PS Z9, K1, Z1                                 // 62d27d49c8c9
	VEXP2PS 99(R15)(R15*4), K1, Z1                     // 62927d49c88cbf63000000
	VEXP2PS 15(DX), K1, Z1                             // 62f27d49c88a0f000000
	VEXP2PS Z20, K1, Z9                                // 62327d49c8cc
	VEXP2PS Z9, K1, Z9                                 // 62527d49c8c9

	VPMADD52HUQ -7(DI)(R8*4), X31, K1, X18             // 62a28501b59487f9ffffff
	VPMADD52HUQ X7, X3, K1, X18                        // 62e2e509b5d7
	VPMADD52HUQ X0, X3, K1, X18                        // 62e2e509b5d0
	VPMADD52HUQ 17(SP)(BP*2), X3, K1, X18              // 62e2e509b5946c11000000
	VPMADD52HUQ -7(DI)(R8*4), X3, K1, X18              // 62a2e509b59487f9ffffff

    for (int i = 1; i < input.length(); i += 2) {
      int k1 = input.charAt(i - 1) | (input.charAt(i) << 16);
      k1 = mixK1(k1);
      h1 = mixH1(h1, k1);
    }

    // deal with any remaining characters
    if ((input.length() & 1) == 1) {
      int k1 = input.charAt(input.length() - 1);
      k1 = mixK1(k1);
      h1 ^= k1;
    }

    return fmix(h1, Chars.BYTES * input.length());
  }

  public static <K, V> ImmutableBiMap<K, V> of(K k1, V v1) {
    checkEntryNotNull(k1, v1);
    return new RegularImmutableBiMap<>(new Object[] {k1, v1}, 1);
  }

  /**
   * Returns an immutable map containing the given entries, in order.
   *
   * @throws IllegalArgumentException if duplicate keys or values are added
   */
  public static <K, V> ImmutableBiMap<K, V> of(K k1, V v1, K k2, V v2) {
    checkEntryNotNull(k1, v1);

	VPLZCNTQ Y14, K1, Y22                              // 62c2fd2944f6
	VPLZCNTQ 15(R8)(R14*4), K1, Y22                    // 6282fd2944b4b00f000000
	VPLZCNTQ -7(CX)(DX*4), K1, Y22                     // 62e2fd2944b491f9ffffff
	VPLZCNTQ Y12, K1, Y13                              // 6252fd2944ec
	VPLZCNTQ Y1, K1, Y13                               // 6272fd2944e9

	VPERMB X0, X2, K1, X23                             // 62e26d098df8
	VPERMB 7(SI)(DI*4), X2, K1, X23                    // 62e26d098dbcbe07000000
	VPERMB -7(DI)(R8*2), X2, K1, X23                   // 62a26d098dbc47f9ffffff
	VPERMB X26, X9, K1, X23                            // 628235098dfa
	VPERMB X19, X9, K1, X23                            // 62a235098dfb

	VPDPWSSDS Y31, Y1, K1, Y9                          // 6212752953cf
	VPDPWSSDS (R8), Y1, K1, Y9                         // 625275295308
	VPDPWSSDS 15(DX)(BX*2), Y1, K1, Y9                 // 62727529538c5a0f000000
	VPDPWSSDS Y0, Y9, K1, Y9                           // 6272352953c8
	VPDPWSSDS Y19, Y9, K1, Y9                          // 6232352953cb

	VPSHUFBITQMB Z3, Z6, K7, K1                        // 62f24d4f8fcb
	VPSHUFBITQMB Z21, Z6, K7, K1                       // 62b24d4f8fcd
	VPSHUFBITQMB -15(R14)(R15*1), Z6, K7, K1           // 62924d4f8f8c3ef1ffffff
	VPSHUFBITQMB -15(BX), Z6, K7, K1                   // 62f24d4f8f8bf1ffffff
	VPSHUFBITQMB Z3, Z25, K7, K1                       // 62f235478fcb
	VPSHUFBITQMB Z21, Z25, K7, K1                      // 62b235478fcd

  public static <K, V> ImmutableBiMap<K, V> of(K k1, V v1) {
    return new SingletonImmutableBiMap<>(k1, v1);
  }

  /**
   * Returns an immutable map containing the given entries, in order.
   *
   * @throws IllegalArgumentException if duplicate keys or values are added
   */
  public static <K, V> ImmutableBiMap<K, V> of(K k1, V v1, K k2, V v2) {
    return RegularImmutableBiMap.fromEntries(entryOf(k1, v1), entryOf(k2, v2));
  }

  /**